This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Common Subjects > Physical Education > Class 12 Physical Education Chapter 9 Physiology And Exercise – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Physical Education Chapter 9 Physiology And Exercise Quiz 12 (22 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. ..... is important because your body needs nutrients from food and drink to work properly. A) RESPIRATION. B) BREATHING. C) DIGESTION. D) EXERCISE. Show Answer Correct Answer: C) DIGESTION. 2. A patient with tumor secreting abnormal amounts of gastrin (gastrinoma) would be most likely to exhibit which of the following? A) Reduced incidence of gastroesophageal reflux disease. B) Increased gastric pH in the period between meals. C) Duodenal ulceration. D) Decreased chief cell exocytosis. Show Answer Correct Answer: C) Duodenal ulceration. 3. The amount of blood ejected per breathe from left ventricle? A) Stroke volume. B) Cardiac output. C) Tidal volume. D) Vital capacity. Show Answer Correct Answer: A) Stroke volume. 4. The role of the synovial fluid in a synovial joint is to ..... A) Carry around nutrients. B) Lubricate the joint. C) Help with shock absorption. D) Both B and C. Show Answer Correct Answer: D) Both B and C. 5. What is the importance of the liver in digestion? A) The liver produces insulin for blood sugar regulation. B) The liver is responsible for breaking down carbohydrates into glucose. C) The liver is vital for producing bile, processing nutrients, detoxifying substances, and storing essential vitamins. D) The liver absorbs nutrients directly from the stomach. Show Answer Correct Answer: C) The liver is vital for producing bile, processing nutrients, detoxifying substances, and storing essential vitamins. 6. 30-year-old pregnant female was diagnosed with hyperthyroidism due to elevated T3 and T4. When referred to specialist, she is said to be Euthyroid because: A) Normal level of TSH. B) Wrong blood sample was submitted. C) Absence of Anti-thyroglobulin receptor. D) Elevated protein binding that falsely elevate thyroid hormones. Show Answer Correct Answer: D) Elevated protein binding that falsely elevate thyroid hormones. 7. During vigorous exercise, which organ receives a significantly increased proportion of cardiac output? A) Liver. B) Skeletal muscles. C) Brain. D) Kidneys. Show Answer Correct Answer: B) Skeletal muscles. 8. What inhibits SERCA pump? A) Phospholamban. B) Phosphate. C) Epinephrine. D) Protein kinase. Show Answer Correct Answer: A) Phospholamban. 9. When you metabolize a substrate how much energy is turned into heat? A) 60%. B) 50%. C) 30%. D) 40%. E) 20%. Show Answer Correct Answer: A) 60%. 10. This hormone acts on its target tissue/s using inositol 1, 4, 5-triphosphate (IP3) as a second messenger. A) Atrial natriuretic peptide. B) Parathyroid hormone. C) Insulin. D) Thyroid releasing hormone. Show Answer Correct Answer: D) Thyroid releasing hormone. 11. Which of the following pairs of words are not equivalent? A) Contraction:Depolarization. B) Relaxation:Repolarization. C) Diastole:Deploarization. D) Systole:Contraction. Show Answer Correct Answer: C) Diastole:Deploarization. 12. How many bones in phalanges in hand consists? A) 15. B) 12. C) 14. D) 18. Show Answer Correct Answer: C) 14. 13. Which factor would most likely cause vasodilation in local tissues? A) Decreased carbon dioxide concentration. B) Decreased temperature. C) Increased adenosine concentration. D) Increased oxygen concentration. Show Answer Correct Answer: C) Increased adenosine concentration. 14. Which of the following is a long-term adaptation of the cardiovascular system to regular exercise? A) Increased blood pressure. B) Increased stroke volume. C) Decreased lung capacity. D) Increased heart rate. Show Answer Correct Answer: B) Increased stroke volume. 15. When oxygen enters the body, lungs and capillaries and then CO2 leaves the body-this is known as: A) Cellular Respiration. B) Internal Respiration. C) External Respiration. D) None of the above. Show Answer Correct Answer: C) External Respiration. 16. Which part of the heart is responsible for regulating heart beat? A) Myogenic Node. B) Left Ventricle. C) AtrioVentricular Node. D) SinoAtrial Node. Show Answer Correct Answer: D) SinoAtrial Node. 17. The shoulder blade is A) Ulna. B) Scapula. C) Clavicle. D) Sternum. Show Answer Correct Answer: B) Scapula. 18. Protein involved in muscular contraction A) Actin. B) Myosin. C) Both. D) None. Show Answer Correct Answer: C) Both. 19. The purkinje fibres would be responsible for which stage of the cardiac cycle? A) Ventricular diastole. B) Atrial diastole. C) Ventricular systole. D) Atrial systole. Show Answer Correct Answer: C) Ventricular systole. 20. Endurance training improves acid-base balance by: A) Increasing lactic acid production. B) Decreasing NADH shuttles. C) Reducing mitochondrial number. D) Changing LDH isoform. Show Answer Correct Answer: D) Changing LDH isoform. 21. Within a group, the muscle that opposed the action of the prime mover is known as the: A) Flexor. B) Synergist. C) Antagonist. D) Abductor. Show Answer Correct Answer: C) Antagonist. 22. What are the primary functions of the nervous system? A) Regulating body temperature. B) Producing hormones. C) The primary functions of the nervous system are sensory input, information processing, and motor output. D) Digesting food. Show Answer Correct Answer: C) The primary functions of the nervous system are sensory input, information processing, and motor output. ← PreviousRelated QuizzesCommon Subjects QuizzesClass 12 QuizzesClass 12 Physical Education Chapter 9 Physiology And Exercise Quiz 1Class 12 Physical Education Chapter 9 Physiology And Exercise Quiz 2Class 12 Physical Education Chapter 9 Physiology And Exercise Quiz 3Class 12 Physical Education Chapter 9 Physiology And Exercise Quiz 4Class 12 Physical Education Chapter 9 Physiology And Exercise Quiz 5Class 12 Physical Education Chapter 9 Physiology And Exercise Quiz 6Class 12 Physical Education Chapter 9 Physiology And Exercise Quiz 7Class 12 Physical Education Chapter 9 Physiology And Exercise Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books